#pragma once

#include <iostream>
#include <string>
#include <cstring>
#include <cerrno>
#include <cassert>
#include <unistd.h>
#include <memory>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <ctype.h>
#include "Log.hpp"

class Sock
{
private:
    const static int gbacklog =20;

public:
    Sock(){}
    ~Sock(){}
    
    int Socket()
    {
        int listensock = socket(AF_INET,SOCK_STREAM,0);
        if(listensock<0)
        {
            logMessage(FATAL,"create socket error,%d:%s",errno,strerror(errno));
            exit(2);
        }

        logMessage(NORMAL,"create socket success,listensock:%d",listensock);
        return listensock;
    }

    void Bind(int sock,uint16_t port,std::string ip="0.0.0.0")
    {
        struct sockaddr_in local;
        memset(&local,0,sizeof local);
        local.sin_family = AF_INET;
        local.sin_port = htons(port);
        //将传入的ip地址转换成文本类型，并存储到Local结构体中
        inet_pton(AF_INET,ip.c_str(),&local.sin_addr);
        if(bind(sock,(struct sockaddr*)&local,sizeof(local))<0)
        {
            logMessage(FATAL,"bind error,%d:%s",errno,strerror(errno));
            exit(3);
        }
    }

    void Listen(int sock)
    {
        if(listen(sock,gbacklog)<0)
        {
            logMessage(FATAL,"listen error:%d:%s",errno,strerror(errno));
            exit(4);
        }

        logMessage(NORMAL,"init server success!");
    }

    int Accept(int listensock,std::string*ip,uint16_t*port)
    {
        struct sockaddr_in src;
        socklen_t len = sizeof src;
        int servicesock = accept(listensock,(struct sockaddr*)&src,&len);
        if(servicesock<0)
        {
            logMessage(ERROR,"accept error,%d:%s",errno,strerror(errno));
            return -1;
        }
        if(port) *port = ntohs(src.sin_port);
        if(ip) *ip=inet_ntoa(src.sin_addr);
        return servicesock;
    }

    bool Connect(int sock,const std::string &server_ip,const uint16_t&server_port)
    {
        struct sockaddr_in server;
        memset(&server,0,sizeof server);
        server.sin_family = AF_INET;
        server.sin_port = htons(server.sin_port);
        server.sin_addr.s_addr = inet_addr(server_ip.c_str());

        if(connect(sock,(struct sockaddr*)&server,sizeof(server))==0) return true;
        else return false;
    }



};